He said viewers shouldn't expect to know what he has in store for them even if they have read the books.

According to Three If By Space, Moore said: "Fans are looking forward to certain things, and you want to satisfy that, and at the same time you want to surprise them, you want to catch them off guard, you want to scare them, like 'Oh my God, Frank's going up the hill! If he goes through time, I'm quitting watching the show!'"

"People across America are losing their minds. That's fantastic. I enjoy that."

The show's stars have recently been spotted filming season two of the hit show in Prague.